They are usually steel, or aluminum for light weight shoes. Steel may contain small amounts of molybdenum, but not always.
it is made out of fur
Hipposandals
Any horse with shoes is still called a horse.
"The shoes of the horse" is not a sentence, it is a noun phrase; the phrase has no verb. There is no possessive noun is the phrase. The possessive form for the phrase is: "The horse'sshoes...".
The blacksmiths make horse shoes
Horse shoes are compulsory in horse racing. If a horse loses a shoe, it is pulled out of the race.
They leave hay in their shoes for his horse
Hipposandals(no matter how ridiculous it seems!)
horse shoes
Get a fridge magnet, and have the horse lift its foot. If the magnet sticks to the shoe it's not aluminum.
Not all horseshoes are made from steel. Though usually made of steel, aluminium is also sometimes used. Aluminium shoes are dearer than steel. There are also plastic-coated metal shoes, and even all-plastic horseshoes.
Most are made of iron or steel, but some are made of aluminum for light-weight racing shoes and there are some plastic or rubber shoes, but these aren't very durable or common.